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Given tariffs on the transportation and handling of flows, as well as restrictions on the quantities of arcs, nodes, and the time of delivery of individual products to a receiver, the paper addresses the network challenge of optimizing groupage cargo flows in the transportation network. It has been shown that with block structure and binding constraints in polynomial time, one can convert a network problem with tariffs into an integer linear programming challenge.
Source link: https://doi.org/10.1007/s10559-023-00531-z
To satisfy the increasing demand for transporting dry bulk cargoes and overcome inadequate infrastructural resources of ports, an effective cargo logistics service anchored offshore is increasingly vital. A fleet of offshore floating terminals operating the cargo handling service right next to anchorages at sea is being considered by Offshore container handling service providers. To increase the operating efficiency of serving cargo vessels and their barges, we produce a scheduling mathematical model for the fleet of OFTs in this paper. This report outlines a model with many objective functions that could be used by a service provider based on its goals and customer satisfaction policies. To solve the model with finding near-optimal effective solutions, an efficient genetic algorithm is also developed. The proposed genetic algorithm shows a high degree of precision and computational time when evaluating a large number of real data provided by the service provider.
Source link: https://doi.org/10.1007/s10696-022-09482-7
Due to the late launch of China's civil aviation, the study on air freighter cargo handling system is less, and there is no study and development infrastructure or technical capability at present, so the study into the same technology of loading control devices is likely. Firstly, based on the investigation of the loading control system's composition and the demands of loading and unloading, the control system's basic function design specifications for the control system controller have been identified. A three-layer CAN communication network with sub-regional control is recommended to ensure the controller's communication requirements and operation efficiency.
Source link: https://doi.org/10.1007/978-981-19-3387-5_144
Container transport in urban areas is a promising possibility for cargo transportation, while passengers travelling the same infrastructure and vehicle. The resulting issue can be modeled as a network traffic issue. With the help of a commercial solver, the deterministic network traffic problem is solved to optimality. This tool is used by a simulator to assign transport units to vehicles and map a route through the network. With the current settings, the deterministic problem is solved as soon as the solution becomes infefeable. The latest technology also serves as an input for the simulation.
Source link: https://doi.org/10.1007/978-981-19-2273-2_7
The development of an aircraft cargo transport system can satisfy the operation requirements of modern high-speed logistics and greatly reduce the cost of air transportation. The aircraft cargo handling system is off to a late start, and there has yet to implement a coordinated study and development scheme in the aircraft cargo handling control system. In this paper, three types of network topologies are suggested for Aiming, which is the issue of network design of aircraft cargo hold loading control systems.
Source link: https://doi.org/10.1007/978-981-19-3387-5_140
The main cargo door movement of the ARJ21-700 converted freighter has been controlled by an integrated airborne Actuator Control Electronics based on Field Programmable Gate Arrays. In the experimental portion, a prototype of the Main Cargo Door Actuation System is developed and tested. Even by changing the reverse braking time settings in the FPGA, the cargo door can be parked at any location with minimal slippage.
Source link: https://doi.org/10.2991/978-94-6463-022-0_5
Container containers attached to drones' design influences parameters such as speed, quality, control, and controls. Carbon fiber as a material is also recommended for lightweight and tenacity. The study's findings revealed that the new ellipse container shape design is more suitable to use in high-speed operations, as well as increased reliability of the system like drones.
Source link: https://doi.org/10.1007/978-981-19-0108-9_1
On the example of a conditional motor transport company, the task of creating an optimal schedule for the operation of land vehicles and minimizing the number of labor resources was carried out by the main provisions of lean manufacturing and transportation logistics. We have devised an algorithm that solves this problem by using a class of interval graphs. Using an algorithm for coloring the interval graph with a sequential release and uniform loading of colors, a mathematical representation of cargo transportation is developed. With a uniform system load, this software tool helps you to determine the right amount of resources under given initial conditions, with a uniform system load, provided that the interval graph's colors are consistently distributed.
Source link: https://doi.org/10.1007/978-3-031-11051-1_170
In the later stage, the majority of the container wharf in the port has adopted winch iron ox traction loading, which has a high failure rate, poor visibility, low transportation quality, and high maintenance costs. An innovative unmanned intelligent traction loading system is developed in response to the current situation and challenges of winch iron ox traction loading. This report will successfully raise the bulk cargo shipping capacity of the port area, reduce the potential safety risks in the loading area, and ensure the desired result of energy saving, cost reduction, and efficiency improvements in the overall operation process.
Source link: https://doi.org/10.1007/978-981-19-7842-5_23
Transportation of bulk cargo occupies one of the top positions in the market for transportation services. Without a study of the loading of bulk cargo with improved technical and economic data, the development of vehicles specifically designed for the transportation of bulk cargo with enhanced technological and economic metrics is an important and urgent issue that cannot be effectively addressed. Nowadays, equations used to calculate bulk cargo pressure acting on vehicle body walls are only valid for nearly vertical walls.
Source link: https://doi.org/10.1007/978-3-031-11051-1_164
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